[mythtv-users] FEs have high CPU and memory usage

Stephen P. Villano stephen.p.villano at gmail.com
Tue Apr 22 00:23:59 UTC 2014


On 4/21/14, 8:22 PM, John Finlay wrote:
> On 4/21/2014 3:47 PM, Stephen P. Villano wrote:
>> On 4/21/14, 5:50 PM, John Finlay wrote:
>>> On 4/21/2014 2:26 PM, Mark Perkins wrote:
>>>>> On 22 Apr 2014, at 4:48 am, "John Finlay" <finlay at moeraki.com> wrote:
>>>>>
>>>>> I have three FEs with 2GB that slowly over the course of a week or
>>>>> so use use up all the memory and eventually crash I think may be due
>>>>> to running out of swap. The amount of memory usage seems to be
>>>>> related to the duty cycle of the FE i.e. the more that the FE is
>>>>> used the faster it uses up memory.
>>>>>
>>>>> These systems are all running Mythbuntu 12.04 with fixes/0.27. The
>>>>> CPU usage also seems to be high on these systems when they are idle
>>>>> 30%-72%. I don't see anything in the logs that indicates what's
>>>>> causing the apparently high CPU and memory usage but I probably need
>>>>> to run with different logging options.
>>>>>
>>>>> Is this level of CPU and memory usage normal? What would be a good
>>>>> approach to determining why these systems are using so many
>>>>> resources when idle?
>>>>>
>>>>> john
>>>>> _______________________________________________
>>>> My main FE runs 24/7 and on idle sits at about 1-2% CPU usage. It has
>>>> 4Gb memory but is only using 1.7Gb at the moment.
>>>>
>>>> Run 'top' from a command prompt to see what your memory usage is, it
>>>> will also show you what program(s) are using your CPU, and work from
>>>> there.
>>>>
>>> I forgot to mention that I am using top to see what the CPU and memory
>>> usage is. I also forgot to mention that mythfrontend.real is the
>>> process that is using 30+% of the CPU and 30%-72% of the memory which
>>> seems unexpectedly high for idle usage.
>>>
>>> John
>>> _______________________________________________
>> I have an FE playing on a notebook computer. It's currently playing a
>> movie as well.
>>   PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>> 20   0 3424m 535m  56m R   56 26.9 517:12.52
>> mythfrontend.re
>>
>> On my atom netbook, which is idle:
>> 20   0  585492  99916  40200 S   6.3  9.9 109:33.51 mythfrontend.re
>>
>> I'd check top and even try htop to see what is chewing up resources.
>> Myth doesn't use up *that* much horsepower.
>>
>>
> Unfortunately mythfrontend.real seems to be the culprit on all three FEs.
> _______________________________________________
That's *really* strange. What distro are you on? What hardware are you
running on? What else is installed? Which version of Myth are you running?



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